display roles in profile

mastodon/src/main/res/drawable/bg_pill.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:dither="true"
+    android:shape="rectangle">
+    <corners android:radius="4sp" />
+    <solid android:color="?colorBackgroundLight" />
+    <stroke android:width="2dp" android:color="#00ff00" />
+</shape>